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Internet, Intranet, Extranet, Fishing net

Internet, Intranet, Extranet, Fishing net What they are for? Internet vs. WWW Transmit data and information from one computer to another Internet protocol (IP) allows routing from one network to another Transfer Control Protocol (TCP) used with IP by most systems URL’s WWW- content

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Internet, Intranet, Extranet, Fishing net

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  1. Internet, Intranet, Extranet, Fishing net What they are for?

  2. Internet vs. WWW • Transmit data and information from one computer to another • Internet protocol (IP) allows routing from one network to another • Transfer Control Protocol (TCP) used with IP by most systems • URL’s • WWW- content

  3. Language of the Web • HTML • XML – extensible markup language • Applets • Java (for applets)

  4. URL address extensions

  5. E-mail Telnet FTP Newsgroups Chat rooms Phone Videoconferencing Shopping Entertainment Auctions Content streaming (w/o interruptions!) Instant messaging (on-line conversation) Internet services

  6. Other services of the Web • Search engines • Their purpose • Can you name some? • Pull vs. push technologies

  7. Security • PW • Encryption • Firewalls • Viruses • Anti-Virus SW • Call-back • Digital signatures • Legal protection • VPN – Virtual Private Networks

  8. Intranets and Extranets

  9. End Internet, Intranet, Extranet

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